David Grupp

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Sacramento, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Integrated recirculating open cathode fuel cell system
- Patent number 10,115,984
- Issue date Oct 30, 2018
- Altergy Systems
- Glen A. Garrettson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Integrated recirculating fuel cell methods
- Patent number 9,466,847
- Issue date Oct 11, 2016
- Altergy Systems
- Glen A. Garrettson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Integrated recirculating fuel cell system
- Patent number 9,029,034
- Issue date May 12, 2015
- Altergy Systems
- Glen A. Garrettson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Mobile lighting apparatus
- Patent number 8,439,534
- Issue date May 14, 2013
- George Michael Roe
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED RECIRCULATING OPEN CATHODE FUEL CELL SYSTEM
- Publication number 20150311548
- Publication date Oct 29, 2015
- ALTERGY SYSTEMS
- Glen A. Garrettson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED RECIRCULATING FUEL CELL METHODS
- Publication number 20150295257
- Publication date Oct 15, 2015
- ALTERGY SYSTEMS
- Glen A. Garrettson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INTEGRATED RECIRCULATING FUEL CELL SYSTEM
- Publication number 20120214077
- Publication date Aug 23, 2012
- ALTERGY SYSTEMS
- Glen A. Garrettson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...